Rates of Reaction - Unit 2

Question 1

According to Collision Theory what must occur for a chemical reaction?

Answer 1

1. Collide with each other
2. Collide with sufficient energy to break the bonds within the reactants
3. Collide with the correct orientation to break the bonds within reactants and form new products

Question 2

What are the factors affecting reaction rate?

Answer 2

1. Surface area of solid reactants
2. Concentration of reactants in a solution
3. Gas pressure
4. Temperature
5. The presence of a catalyst